Resurrecting this thread as all of these issues still apply and have not been fixed.
How is Squarespace expecting to attract/ retain people with this glacially slow, antiquated set up. My "contact" page even gets a red rating on Pagespeed Insights and it is just a small block of text.
I contacted SS customer service a few days ago and they were acting mystified by the whole issue. Does anyone have any updates? Does moving to 7.1 help with speeds at all? If I have to completely rebuild my website, perhaps I am better off going to a completely different service...